Question

Find the missing number. 8, 24, 48, 80, 120, ....

Answer 1

Heya!!

The answer is 168

How?

Finding the pattern, we can see that,

24-8=16    (8*2)
48-24=24     (8*3)
80-48=32         (8*4)
120-80=40          (8*5)

So definitely this time, The difference this time should equal 8*6=48.
The number= 120+48=168

Hope it helps you! :)

Answer 2

the sequence can be written as 

3²-1 = 8

5²-1 = 24

7²-1 = 48

9² -1 =80

11² -1 =120

13² -1 =168

so the missing number is 168